Muller on.
Spontaneous generation. -Darwin's disbelief in. -Huxley's disbelief in.
Sports.
Sprengel, (C.C.) Christian Konrad (1750-1816): was for a time Rector of Spandau, near Berlin; but his enthusiasm for Botany led to neglect of parochial duties, and to dismissal from his living. His well-known work, "Das Entdeckte Geheimniss der Natur," was published in 1793. An account of Sprengel was published in "Flora," 1819, by one of his old pupils. See also "Life and Letters," I., page 90, and an article in "Natural Science," Volume II., 1893, by J.C. Willis. -on Passion-flowers.
Stag-beetle, forms of.
Stahl, Prof., on Desmodium. -on transpiration.
Stainton.
Stanhope, Lord.
Stanhopea, fertilisation of.
Stapelia, fertilisation of.
Starling, paired three times in one day.
State-entomologist, appointment of in America, not likely to occur in England.
Statistics, of births and deaths. -Asa Gray's N. American plant-.
Steinheim, Lias rocks of.
Stellaria media, cross-fertilisation of.
Stephens, Miss Catherine: was born in 1794, and died, as the Countess of Essex, in 1882.
Sterile, use of term.
Sterility, accumulation through Natural Selection. -arguments relating to. -artificial production of. -between allied species aided by Natural Selection. -connection with sexual differentiation. -and crossing. -domestication and loss of. -experiments on. -of hybrids. -in human beings. -Huxley on. -increase of races and. -laws governing. -Natural Selection and. -in pigeons. -in plants (see also self-sterility). -reciprocal crosses and unequal. -selection and. -variations in amount of. -varieties and.
Stirling, and Huxley.
Stokes, Sir G.
Strasburger, on fertilisation of grasses.
Stratification, and cleavage.
Strephium, vertical position of leaves.
Strezlecki.
Strickland, H., letters to. -on zoological nomenclature.
Stripes, loss and significance of.
Structural dissimilarity, and sterility.
Structure, external conditions in relation to.
Struggle for existence. -and crossing. -factors concerned in. -and hybrids. -J. Scott on.
Strychnos, F. Muller on.
Student, Darwin as an Edinburgh.
Studer, Bernhard: Several of Studer's papers were translated and published in the "Edinburgh New Phil. Journ." See Volume XLII., 1847; Volume XLIV., 1848, etc. -on cleavage and foliation.
"Studien zur Descendenz-Theorie," Weismann's.
"Studies in the Theory of Descent," Meldola's translation of Weismann's book.
"Study of Sociology," H. Spencer's.
Stur, Dionys (1827-93): Director of the Austrian Geological Survey from 1885 to 1892; author of many important memoirs on palaeobotanical subjects.
Style, Darwin on. -Darwin on Huxley's. -effect of controversy on.
Suaeda, bloom on.
Submergence.
Subsidence, evidence of. -coral reefs and. -and elevation. -equable nature of. -large areas simultaneously affected by. -in oceans. -and sedimentation. -volcanic action.
Subterranean animal, existence in Patagonia of supposed.
Subularia, fertilisation of.
Succession of types.
Sudden appearance of organisms, due to absence of fossils in pre- Cambrian rocks.
Sudden jumps, modification by. -Darwin's disbelief in.
Suess, "Antlitz der Erde."
Suffolk Crag, comparison with recent strata.
Sugar-cane, Barber on hybrids of. -new varieties of.
Sulivan, Admiral, on Patagonia.
Superficial deposits, geological nature of.
Supernumerary members. -amputation followed by regeneration of.
"Survival of the fittest," Darwin on use of the expression. -Wallace on the expression. -sharpness of thorns the result of. -colour of birds and.
Swainson, on wide range of genera.
Switzerland, Tyndall on valleys of.
Sydney.
Symonds, William Samuel (1818-87): a member of an old West-country family, was an undergraduate of Christ's College, Cambridge, and in 1845 became Rector of Pendock, Worcestershire. He published in 1858 a book entitled "Stones of the Valley;" in 1859 "Old Bones, or Notes for Young Naturalists;" and in 1872 his best-known work, "Records of the Rocks." Mr.